# Relationship history for MSHA mine 4609146

Current hierarchy: **Steve  Rickmeier → BRC Pinnacle, LLC → BRC Pinnacle, LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Beard Company → BRC Pinnacle, LLC; 1998-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Beard Technologies → BRC Pinnacle, LLC; 2006-02-01 to 2006-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Beard Company → Beard Technologies; 2006-02-01 to 2006-05-08; source msha-controller-operator-history
- **operator_operates_mine:** Beard Pinnacle LLC → BRC Pinnacle, LLC; 2006-05-09 to 2006-07-12; source msha-controller-operator-history
- **controller_controls_mine:** Beard Company → BRC Pinnacle, LLC; 2006-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Beard Company → Beard Pinnacle LLC; 2006-05-09 to 2006-07-12; source msha-controller-operator-history
- **operator_operates_mine:** Beard Technologies Inc → BRC Pinnacle, LLC; 2006-07-13 to 2008-02-17; source msha-controller-operator-history
- **controller_controls_operator:** Beard Company → Beard Technologies Inc; 2006-07-13 to 2008-02-17; source msha-controller-operator-history
- **operator_operates_mine:** Covol Fuels No 4 LLC → BRC Pinnacle, LLC; 2008-02-18 to 2013-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Headwaters Inc → BRC Pinnacle, LLC; 2008-02-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Headwaters Inc → Covol Fuels No 4 LLC; 2008-02-18 to 2013-01-15; source msha-controller-operator-history
- **operator_operates_mine:** BRC Pinnacle, LLC → BRC Pinnacle, LLC; 2013-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Rickmeier et al → BRC Pinnacle, LLC; 2013-01-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Rickmeier et al → BRC Pinnacle, LLC; 2013-01-16 to current/open; source msha-controller-operator-history